Displaying the Progress of Tasks with HTML5

With the progress element, HTML5 pages can display the progress of a task, for example a download or background activity. In this tutorial we will demonstrate how to use the progress element in your pages, with a simple JavaScript function updating the element as the task executes. At the moment the progress element is only really supported in Firefox, Chrome and Opera, with support developing in Internet Explorer and Safari, so you can’t rely on it just yet.

New ‘Adaptive Image’ HTML Tag Stirs Controversy

The rising global popularity of smart phones and other small-screen Internet devices has created a number of dilemmas for web developers. Among the most pressing is the issue of serving the proper image files for widely divergent screen sizes. The industry has responded with a variety of solutions, including separate mobile websites that are much leaner in terms of shown images.

5 PHP Security Measures

For many years, PHP has been a stable, inexpensive platform on which to operate web-based applications. Like most web-based platforms, PHP is vulnerable to external attacks. Developers, database architects and system administrators should take precautions before deploying PHP applications to a live server. Most of these techniques can be accomplished with a few lines of code or a slight adjustment to the application settings.